# Ressence Type 1 Slim – A Modern Take on the Brand’s Signature Architecture The Ressence Type 1 Slim arrives as the newest evolution of the label’s most recognizable architecture – a pebble‑shaped, crown‑less case that lets the dial rotate around its own axis. Launched in 2019 as part of the Air Filled Collection, the Slim trims the original’s bulk without sacrificing the brand‑defining orbital display. At 42 mm in diameter and a mere 11 mm thick, the watch feels like a polished stone slipped onto the wrist, while the patented ROCS (Ressence Orbital Convex System) continues to turn time‑telling into a kinetic sculpture. Below we break down how the Slim positions itself within Ressource’s line‑up, how it looks and works, and whether its price of CHF 16,800 (≈ US$23 200) is justified. ## Heritage — the model's place in the brand's line and its launch context Ressence entered the haute‑horlogerie scene with a clear mission: to rethink how a watch tells time. Its first Type 1, introduced in 2014, set the template with a monobloc titanium case, a crown‑less winding system, and the orbital dial that has become the house’s signature. The Type 1 quickly earned a reputation as the “signature model” and the most accessible entry into the brand’s avant‑garde world. Four years later, Ressence expanded the family with the Type 1 Slim. The model was unveiled in early 2019, joining the Air Filled Collection alongside other streamlined variations. Rather than a radical redesign, the Slim is a refinement: the same 42 mm pebble case, the same ROCS display, but a slimmer waistline – the thickness has been reduced from the original 13 mm to 11 mm, a 2 mm saving that makes the piece feel noticeably lighter on the wrist. The watch is offered in four dial colours, all featuring the convex German‑silver surface that reflects light in a way that accentuates the rotating sub‑dials. ## Design & Case — case dimensions, materials, dial The Type 1 Slim is a study in restraint. Its monobloc case is machined from Grade 5 titanium, a material prized for its strength‑to‑weight ratio and its subtle, matte‑silver finish that deepens with wear. At 42 mm in diameter the watch sits comfortably in the “large‑but‑not‑overbearing” sweet spot, while the 11 mm thickness gives it a profile that slides under a shirt cuff more easily than its 13 mm predecessor. The case’s welded lugs flow seamlessly into the body, eliminating any visual break and reinforcing the pebble aesthetic. There is no crown; winding and time‑setting are performed via a push‑button on the caseback, a hallmark of Ressence’s engineering philosophy that keeps the dial uninterrupted. The dial itself is a convex German‑silver “pebble” that serves as the canvas for the ROCS. The entire dial rotates as a single unit, while each sub‑dial (hours, minutes, seconds, day‑of‑week) makes its own smaller revolution, creating a mesmerizing, three‑dimensional display of time. The surface is polished to a subtle sheen, catching ambient light and highlighting the movement of the orbital components. Four colour options – ranging from classic black to a muted blue – allow the wearer to choose a tone that best fits their wardrobe. Water resistance is modest at 10 m (33 ft), sufficient for everyday splashes but not intended for swimming or diving. ## Movement & Performance — caliber, power reserve, accuracy Under the sleek exterior lies the Ressence Orbital Convex System 1.3 (ROCS 1.3), a bespoke module built around an ETA 2892/A base. The ETA 2892/A is a workhorse automatic calibre known for its reliability and thin profile, and Ressence has re‑engineered it to drive the orbital display. Key specifications: - **Calibre:** ROCS 1.3 – based on ETA 2892/A - **Frequency:** 28 800 vph (4 Hz) - **Jewels:** 40 - **Power reserve:** 36 hours (a modest figure, reflecting the thin case and the energy demands of the rotating dial) - **Winding:** Automatic via a rotor, with manual winding and time‑setting achieved through the case‑back button Because the dial itself is a moving part, the watch’s power consumption is marginally higher than a conventional three‑hand model. The 36‑hour reserve means the wearer should aim to keep the watch on for at least a full day to avoid a full wind‑up. In practice, the movement keeps time within the typical ± 5 seconds per day range of a well‑finished ETA‑based automatic, though the orbital mechanism can introduce a faint “tick” feel as the sub‑dials index. ## On the Wrist — wearability, lug‑to‑lug, comfort notes The first impression on the wrist is one of lightness. The titanium case, combined with the reduced 11 mm thickness, feels almost weightless compared to the original Type 1. The absence of a crown eliminates any protruding element that could snag on clothing, and the smooth, welded lugs give the watch a seamless silhouette. While we lack exact lug‑to‑lug measurements, the 42 mm diameter translates to a comfortable fit on most wrist sizes, with the case’s curvature distributing weight evenly. The push‑button on the case‑back is discreet yet reachable, and the tactile feedback when setting the time is reassuring. The 10 m water resistance means the watch can survive accidental rain or a brief hand‑wash, but it should not be worn for swimming or water‑sports. One minor drawback is the modest power reserve; a weekend away without a charger will likely require a full wind before the next wear. Additionally, the orbital display, while visually stunning, can be a distraction in low‑light environments where the rotating sub‑dials are harder to read at a glance. ## When to Wear — occasion, setting and dress‑code fit The Type 1 Slim straddles the line between avant‑garde statement piece and understated dress watch. Its sleek profile and lack of a crown make it suitable for business attire, where the rotating dial becomes a conversation starter without looking out of place. Pair it with a tailored suit, and the watch’s modern aesthetic adds a subtle futuristic edge. Casual settings also benefit from the watch’s design; the pebble case looks equally at home with a crisp shirt or a smart‑casual blazer. The four dial colours allow for personal expression – a black dial for formal occasions, a blue or grey for more relaxed environments. Because the watch is not water‑resistant beyond splashes, it is best reserved for dry activities: meetings, dinners, travel, and everyday wear. It is less suited for sports or outdoor adventures where a higher water resistance and longer power reserve would be advantageous. ## Value & Verdict — price‑positioning + final take At CHF 16 800 (≈ US$23 200), the Type 1 Slim sits in the upper‑mid tier of independent luxury watches. It is priced slightly above the original Type 1 (≈ US$20 600) despite offering a slimmer case rather than additional complications. The premium reflects the bespoke ROCS mechanism, the Grade 5 titanium monobloc construction, and the brand’s limited‑run, design‑focused ethos. **Pros:** - Revolutionary orbital display that remains unique in the market. - Remarkably slim 11 mm profile for a 42 mm case, enhancing comfort. - Crown‑less case offers a clean, uninterrupted dial. - High‑quality titanium case that ages gracefully. **Cons:** - Short 36‑hour power reserve requires regular wear or manual winding. - Limited water resistance (10 m) restricts active use. - The orbital display can be harder to read quickly, especially in low light. **Verdict:** For collectors who value innovation and are drawn to Ressence’s distinctive way of visualising time, the Type 1 Slim is a compelling addition. It refines the brand’s flagship architecture, delivering a slimmer, more wearable silhouette without compromising the kinetic charm that defines the line. The price is justified for those who appreciate the engineering behind the ROCS and the tactile experience of a crown‑less, rotating dial. However, if a longer power reserve, higher water resistance, or a more conventional read‑out are priorities, the original Type 1 or other independent brands may represent better value. In short, the Ressence Type 1 Slim is a bold, modern reinterpretation of an iconic design – a watch that feels as much like a piece of kinetic art as it does a time‑telling instrument. Wear it, and you’ll carry a conversation starter on your wrist, one that spins time into a silent, elegant dance.